Metal Detectors: The Ultimate Buyer's Guide for Treasure Hunters & Security Professionals

Why Metal Detectors Are Essential Tools for Discovery & Safety

From buried treasure hunting to airport security, metal detectors serve countless purposes. Whether you're a hobbyist, archaeologist, or security manager, choosing the right detector makes all the difference in accuracy, depth, and usability.

This comprehensive guide covers:

• Different types of metal detectors (VLF, PI, BFO) and their best uses

• Key features (depth, discrimination, ground balance)

• Top brands (Minelab, Garrett, Nokta, Fisher)

• Pro tips for maximizing finds

• Maintenance & troubleshooting

By the end, you'll know exactly which metal detector fits your needs—whether you're searching for coins, relics, gold, or security threats.

Types of Metal Detectors & Their Best Uses

1. Very Low Frequency (VLF) Detectors

✔ Best for: Coin shooting, jewelry, relics
✔ Pros: Good discrimination, affordable
✔ Cons: Struggles in mineralized soil

Top Models: Minelab Equinox 800, Garrett AT Pro

2. Pulse Induction (PI) Detectors

✔ Best for: Gold prospecting, saltwater beach hunting
✔ Pros: Deep detection, ignores mineralization
✔ Cons: Poor discrimination, expensive

Top Models: Minelab GPZ 7000, Garrett ATX

3. Beat Frequency Oscillation (BFO) Detectors

✔ Best for: Beginners, budget buyers
✔ Pros: Simple, inexpensive
✔ Cons: Limited depth & features

Top Models: Bounty Hunter TK4 Tracker

4. Multi-Frequency Detectors

✔ Best for: Versatile hunting (land & water)
✔ Pros: Adapts to different conditions
✔ Cons: Higher price point

Top Models: Minelab CTX 3030, Nokta Makro Legend

Key Features to Consider

1. Detection Depth

• Entry-level: 6–8 inches

• Mid-range: 10–12 inches

• Professional: 15+ inches

2. Discrimination & Target ID

• Iron rejection (avails junk signals)

• Tone differentiation (helps identify metals)

3. Ground Balance

• Manual (for experts)

• Automatic (best for beginners)

4. Waterproofing

• Splash-proof (light rain)

• Submersible (beach & underwater hunting)

Best Metal Detectors by Category

Pro Tips for Successful Metal Detecting

1. Research Locations – Old parks, battlefields, and beaches are hotspots.

2. Use Proper Sweep Technique – Keep coil parallel to ground.

3. Dig Clean Plugs – Preserve the environment.

4. Check Local Laws – Some areas restrict metal detecting.

Maintenance & Care

✅ Clean after each use (remove dirt & moisture)
✅ Store in a dry place
✅ Check battery contacts
✅ Avoid extreme temperature

Need expert advice? Our Metal Detecting Specialists can help—contact us today!